FFP 571 | The Truth About Cycle Changes In Perimenopause | FAMM Research Series
Fertility Friday | Fertility Awareness Mastery for Women's Health Professionals
Fertility Friday Radio | Fertility Awareness for Pregnancy and Hormone-free birth control
4.8 • 848 Ratings
🗓️ 25 April 2025
⏱️ 29 minutes
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Summary
How common are cycle changes as you approach menopause? Today I break down a fascinating study that measured cycle changes during the 10 years before menopause so you know what to expect.
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Transcript
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| 0:00.0 | Save the date, ladies. The next round of FAM starts in July, and this is the last time we're offering FAM in 2025. |
| 0:07.4 | If you are waiting for the perfect time to join, it's now. Head over to fertility friday.com |
| 0:12.4 | slash fam WL to join the waiting list today. That's FertilityFraday.com slash FAMM-WL, and you'll be the first to know when registration opens up again again that's |
| 0:23.6 | fertility friday dot com slash f a mw l this is the fertility friday podcast episode number |
| 0:30.5 | 571 today i'm sharing a brand new episode in my FAM research series. |
| 0:43.9 | I'm talking about a paper that actually re-examined the data from another paper that I have used in most of my writings. So this is a paper that I drew from in the |
| 0:59.0 | fifth vital sign. I also shared some of the same data in real food for fertility. And this is a |
| 1:04.4 | paper that I frequently reference in our FM practitioner program. Some referring to a study that I often just call the trailer |
| 1:12.7 | study. It was a very unique study done at a very interesting time. So this study drew data |
| 1:20.3 | from women regarding their menstrual cycles. And they did this in 40s, in the 50s. And so the reason that that's relevant is because |
| 1:31.6 | the pill didn't come to market until 1960. So this study has an extremely large data set of women |
| 1:40.2 | with what I would term virgin cycles because there was no birth control pill. |
| 1:46.6 | So you get a really interesting sense of the natural fluctuations in the menstrual cycle |
| 1:54.0 | across a variety of different reproductive stages. |
| 1:58.1 | So in this study, they examined over a quarter of a million menstrual cycles. They had a |
| 2:03.7 | significant number of women, and they did this over a significant period of time. And so the original |
| 2:10.5 | study, the trailer study, that was published many years ago, it assesses this data and actually |
| 2:16.3 | places it across the reproductive lifespan. |
| 2:19.5 | So a lot of the subsequent data and information that we have to define the average menstrual |
| 2:26.4 | cycle length and how it changes. So let's say during the first few years after Menarch, |
| 2:32.0 | after a woman's first period, during the middle life phase, |
| 2:36.5 | is what he terms it, when your menstrual cycles have kind of stabilized. And also during the 10 |
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